Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Kc5 win in 3 half-moves
2 Kc6 draw
3 Kc7 draw
4 Kd5 draw
5 Kd7 draw
6 Kde7 draw
7 Kf7 draw
8 Kfe7 draw
9 Kg6 draw
10 Kg7 draw
11 Re1 draw
12 Re5 draw
13 Re7 draw
14 Re8 draw
15 Kde5 loss in 2 half-moves
16 Kf5 loss in 2 half-moves
17 Kfe5 loss in 2 half-moves
18 Kg5 loss in 2 half-moves
19 Re2 loss in 2 half-moves
20 Re3 loss in 2 half-moves
21 Re4 loss in 2 half-moves